■ noun a full, deep, prolonged sound as made by a lion, natural force, or engine.
↘a loud, deep sound uttered by a person, especially as an expression of pain, anger, or great amusement.
■ verb
1》 make or utter a ~.
↘express in a ~.
↘laugh loudly.
↘(of a horse) make a loud noise in breathing as a symptom of disease of the larynx.
2》 (of a vehicle) move with a ~ at high speed.
↘act or happen fast and decisively.
Derivatives
~er noun
Origin
OE rārian (v.), imitative of a deep prolonged cry, of W. Gmc origin.